Chair arm



FIG. 1 is a right front perspective view of a chair arm showing my newdesign;

FIG. 2 is a left rear perspective view thereof;

FIG. 3 is a right rear perspective view thereof;

FIG. 4 is a left front perspective view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a left side view thereof;

FIG. 9 is a rear view thereof; and,

FIG. 10 is a bottom view thereof.

The broken line showing is for environmental purposes only and does notform a part of the design.

The ornamental design for a chair arm, as shown and described.